alpha-Methoxy-alpha-trifluoromethylphenylacetic acid, (-)- (CAS No: 17257-71-5) is a key pharmaceutical intermediate used in the synthesis of APIs Eptifibatide and Aprepitant. This compound serves as an essential raw material in API development and synthesis. Explore detailed chemical properties, molecular data, structure information, and verified global suppliers, manufacturers, and distributors of this API intermediate on apicule.
Alternate Names: (-)-Mosher's Acid, (S)-Methoxy(trifluoromethyl)phenylacetic acid
CAS No: 17257-71-5
PubChem CID: 6992788
Mol Formula: C10H9F3O3
Mol Weight: 234.17 g/mol
Used in APIs: Eptifibatide and Aprepitant
IUPAC Name: (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
API Intermediate Description: α-Methoxy-α-trifluoromethylphenylacetic acid, (−) — also known as (S)-MTPA or (S)-Mosher’s acid — is the S-enantiomer of Mosher’s acid, a chiral carboxylic acid widely used in asymmetric synthesis and stereochemical determination.